Storage

Source file: client/js/storage.js

Class to handle local storage on the client side.

Properties

• data -- [object]An object containing all locally stored data. Keys on data include:
  • hasAlreadyPlayed -- [boolean]A boolean set to true or false depending on if this is the user's first time playing
  • player -- [object]An object representing the player with the following keys:
    • name -- [string]The username given by the user
    • weapon -- [string]Name of the weapon the user is currently using
    • armor -- [string]Name of the armor the user is currently using
    • image -- [string]Name of the image to use as the character's sprite on screen
  • achievements -- [object]An object containing information about the player's achievements
    • unlocked -- [array]An array of unlocked achievement IDs
    • ratCount -- [number]An accumulator of the number of rats the player has killed
    • skeletonCount -- [number]An accumulator of the number of skeletons the player has killed
    • totalKills -- [number]An accumulator of the total kills of the player
    • totalDmg -- [number]An accumulator of the total damage the player has taken
    • totalRevives -- [number]An accumulator of the number of times the player has revived

Methods

• init()
• resetData()
• hasLocalStorage()
• save()
• clear()
• hasAlreadyPlayed()
• initPlayer(name)
• setPlayerName(name)
• setPlayerImage(img)
• setPlayerArmor(armor)
• setPlayerWeapon(weapon)
• savePlayer(img, armor, weapon)
• hasUnlockedAchievement(id)
• unlockAchievement(id)
• getAchievementCount()
• getRatCount()
• incrementRatCount()
• getSkeletonCount()
• incrementSkeletonCount()
• getTotalDamageTaken()
• addDamage(damage)
• getTotalKills()
• incrementTotalKills()
• getTotalRevives()
• incrementRevives()

init()

If the user's browser supports HTML5 localStorage, it attempts to load any saved data into data. Otherwise, data gets set by a call to resetData().

resetData()

Sets hasPlayedAlready to false, sets all fields in data.player to empty strings, sets all accumulators in data.achievements to 0 and an empty array for data.achievements.unlocked.

hasLocalStorage()

Returns true if user's browser supports HTML5 local storage. Inquires through Modernizr.localstorage.

save()

If this.hasLocalStorage(), the current value of data will be stored in local storage.

clear()

If this.hasLocalStorage(), it will be set to "" and resetData() is called.

hasAlreadyPlayed()

Returns hasAlreadyPlayed data property.

hasUnlockedAchievement(id)

Returns true if id is in data.achievements.unlocked array.

unlockAchievement(id)

If this.hasUnlockedAchievement(id) returns false, push id to this.data.achievements.unlocked.